Android 中TeaPickerView数据级联选择器功能的实例代码

allprojects {  repositories {    google()    jcenter()    maven { url 'https://www.jitpack.io' }  }} implementation 'com.github.YangsBryant:TeaPickerView:1.0.2'

public class MainActivity extends AppCompatActivity {  @BindView(R.id.mButton)  Button button;  List<String> mProvinceDatas=new ArrayList<>();  Map<String, List<String>> mSecondDatas= new HashMap<>();  Map<String, List<String>> mThirdDatas= new HashMap<>();  @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    ButterKnife.bind( this );    intiPickerView();  }  private void intiPickerView(){    //一级列表    ProvinceBean provinceBean = new ProvinceBean();    mProvinceDatas.addAll(provinceBean.getRepData().getProvince());    //二级列表    SecondBean secondBean = new SecondBean();    mSecondDatas.putAll(secondBean.getRepData().getSecond());    //三级列表    ThirdBean thirdBean = new ThirdBean();    mThirdDatas.putAll(thirdBean.getRepData().getThird());    Log.i("json", JsonArrayUtil.toJson(mProvinceDatas));    Log.i("json",JsonArrayUtil.toJson(mSecondDatas));    Log.i("json",JsonArrayUtil.toJson(mThirdDatas));    //设置数据有多少层级    PickerData data=new PickerData();    data.setFirstDatas(mProvinceDatas);//json: ["广东","江西"]    data.setSecondDatas(mSecondDatas);//json: {"江西":["南昌","赣州"],"广东":["广州","深圳","佛山","东莞"]}    data.setThirdDatas(mThirdDatas);//json: {"广州":["天河区","白云区","番禹区","花都区"],"赣州":["章贡区","黄金开发区"],"东莞":["东城","南城"],"深圳":["南山区","宝安区","龙华区"],"佛山":["禅城区","顺德区"],"南昌":["东湖区","青云谱区","青山湖区"]}    data.setInitSelectText("请选择");    TeaPickerView teaPickerView =new TeaPickerView(this,data);    teaPickerView.setScreenH(3)        .setDiscolourHook(true)        .setRadius(25)        .setContentLine(true)        .setRadius(25)        .build();    button.setOnClickListener(v -> {      //显示选择器      teaPickerView.show(button);    });    //选择器点击事件    teaPickerView.setOnPickerClickListener(pickerData -> {      Toast.makeText(MainActivity.this,pickerData.getFirstText()+","+pickerData.getSecondText()+","+pickerData.getThirdText(),Toast.LENGTH_SHORT).show();      teaPickerView.dismiss();//关闭选择器    });  }}

<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android">  <item android:state_selected="true" android:color="@color/picker_select_text_color"/>  <item android:state_pressed="true" android:color="@color/picker_select_text_color"/>  <item android:state_checked="true" android:color="@color/picker_select_text_color"/>  <item android:state_focused="true" android:color="@color/picker_select_text_color"/>  <item android:color="@color/picker_text_color"/></selector>